JP5420836B2 - 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜 - Google Patents

親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜 Download PDF

Info

Publication number
JP5420836B2
JP5420836B2 JP2007529635A JP2007529635A JP5420836B2 JP 5420836 B2 JP5420836 B2 JP 5420836B2 JP 2007529635 A JP2007529635 A JP 2007529635A JP 2007529635 A JP2007529635 A JP 2007529635A JP 5420836 B2 JP5420836 B2 JP 5420836B2
Authority
JP
Japan
Prior art keywords
membrane
liquid
separation membrane
liquid treatment
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2007529635A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2007018284A1 (ja
Inventor
均 溝元
淳一 宍戸
真也 浜崎
裕文 三浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp filed Critical Asahi Kasei Corp
Priority to JP2007529635A priority Critical patent/JP5420836B2/ja
Publication of JPWO2007018284A1 publication Critical patent/JPWO2007018284A1/ja
Application granted granted Critical
Publication of JP5420836B2 publication Critical patent/JP5420836B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/66Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyethers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • B01D67/00113Pretreatment of the casting solutions, e.g. thermal treatment or ageing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016Coagulation
    • B01D67/00165Composition of the coagulation baths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14Dynamic membranes
    • B01D69/141Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/28Polymers of vinyl aromatic compounds
    • B01D71/281Polystyrene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/52Polyethers
    • B01D71/521Aliphatic polyethers
    • B01D71/5211Polyethylene glycol or polyethyleneoxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/52Polyethers
    • B01D71/522Aromatic polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/48Polymers modified by chemical after-treatment
    • C08G65/485Polyphenylene oxides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20Manufacture of shaped structures of ion-exchange resins
    • C08J5/22Films, membranes or diaphragms
    • C08J5/2206Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218Synthetic macromolecular compounds
    • C08J5/2256Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/08Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08L71/10Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08L71/12Polyphenylene oxides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/02Hydrophilization
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/20Specific permeability or cut-off range
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/76Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/80Block polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2371/00Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2371/08Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08J2371/10Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08J2371/12Polyphenylene oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2007529635A 2005-08-09 2006-08-04 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜 Expired - Fee Related JP5420836B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007529635A JP5420836B2 (ja) 2005-08-09 2006-08-04 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2005230518 2005-08-09
JP2005230518 2005-08-09
JP2006035489 2006-02-13
JP2006035489 2006-02-13
JP2006043278 2006-02-21
JP2006043278 2006-02-21
JP2007529635A JP5420836B2 (ja) 2005-08-09 2006-08-04 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜
PCT/JP2006/315902 WO2007018284A1 (fr) 2005-08-09 2006-08-04 Membrane de séparation destinée au traitement d'un liquide et comprenant un polymère d'éther aromatique qui est hydrophilisé par un agent hydrophilisant

Publications (2)

Publication Number Publication Date
JPWO2007018284A1 JPWO2007018284A1 (ja) 2009-02-19
JP5420836B2 true JP5420836B2 (ja) 2014-02-19

Family

ID=37727461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007529635A Expired - Fee Related JP5420836B2 (ja) 2005-08-09 2006-08-04 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜

Country Status (4)

Country Link
US (1) US8602221B2 (fr)
EP (1) EP1918019B1 (fr)
JP (1) JP5420836B2 (fr)
WO (1) WO2007018284A1 (fr)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008156124A1 (fr) * 2007-06-19 2008-12-24 Asahi Kasei Kabushiki Kaisha Procédé de séparation d'un monomère d'immunoglobuline
US8741600B2 (en) 2007-06-19 2014-06-03 Asahi Kasei Kabushiki Kaisha Method for separation of immunoglobulin monomers
JP5895359B2 (ja) * 2011-04-28 2016-03-30 東レ株式会社 多孔体の製造方法
WO2015141653A1 (fr) * 2014-03-19 2015-09-24 東洋紡株式会社 Membrane de séparation composite
CN106457164A (zh) * 2014-05-01 2017-02-22 沙特基础工业全球技术有限公司 多孔非对称聚苯醚膜和相关的分离模块及方法
CN106457163A (zh) * 2014-05-01 2017-02-22 沙特基础工业全球技术有限公司 不对称聚(亚苯基醚)共聚物膜、其分离组件及制备方法
EP3137200A1 (fr) 2014-05-01 2017-03-08 SABIC Global Technologies B.V. Membrane composite avec support comprenant du polyéther de phénylène et un polymère amphiphile, procédé de fabrication, et son module de séparation
US10358517B2 (en) 2014-05-01 2019-07-23 Sabic Global Technologies B.V. Amphiphilic block copolymer; composition, membrane, and separation module thereof; and methods of making same
WO2015168392A1 (fr) 2014-05-01 2015-11-05 Sabic Global Technologies B.V. Membrane en copolymère de polyéther de phénylène asymétrique à peau, unité de séparation de gaz et procédé de préparation associé
US9616395B2 (en) 2014-05-30 2017-04-11 Pall Corportaion Membrane comprising self-assembled block copolymer and process for producing the same by spray coating (Ic)
US9169361B1 (en) 2014-05-30 2015-10-27 Pall Corporation Self-assembling polymers—VI
US9328206B2 (en) 2014-05-30 2016-05-03 Pall Corporation Self-assembling polymers—III
US9162189B1 (en) 2014-05-30 2015-10-20 Pall Corporation Membrane comprising self-assembled block copolymer and process for producing the same by spin coating (Ia)
US9163122B1 (en) 2014-05-30 2015-10-20 Pall Corporation Self-assembling polymers—II
US9593217B2 (en) 2014-05-30 2017-03-14 Pall Corporation Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (Va)
US9598543B2 (en) 2014-05-30 2017-03-21 Pall Corporation Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (VIa)
US9469733B2 (en) 2014-05-30 2016-10-18 Pall Corporation Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IVa)
US9592477B2 (en) 2014-05-30 2017-03-14 Pall Corporation Membrane comprising self-assembled block copolymer and process for producing the same by hybrid casting (Ib)
US9765171B2 (en) 2014-05-30 2017-09-19 Pall Corporation Self-assembling polymers—V
US9592476B2 (en) 2014-05-30 2017-03-14 Pall Corporation Membrane comprising self-assembled block copolymer and process for producing the same by hybrid casting (IIb)
US9593218B2 (en) 2014-05-30 2017-03-14 Pall Corporation Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IIIa)
US9604181B2 (en) 2014-05-30 2017-03-28 Pall Corporation Membrane comprising self-assembled block copolymer and process for producing the same by spray coating (IIc)
US9193835B1 (en) 2014-05-30 2015-11-24 Pall Corporation Self-assembling polymers—IV
US9593219B2 (en) 2014-05-30 2017-03-14 Pall Corporation Membrane comprising self-assembled block copolymer and process for producing the same by spin coating (IIa)
US9441078B2 (en) 2014-05-30 2016-09-13 Pall Corporation Self-assembling polymers—I
US9303133B2 (en) 2014-06-30 2016-04-05 Pall Corporation Hydrophilic membranes and method of preparation thereof (IV)
US9260569B2 (en) 2014-06-30 2016-02-16 Pall Corporation Hydrophilic block copolymers and method of preparation thereof (III)
US9718924B2 (en) 2014-06-30 2017-08-01 Pall Corporation Hydrophilic block copolymers and membranes prepared therefrom (II)
US9962662B2 (en) 2014-06-30 2018-05-08 Pall Corporation Fluorinated polymer and use thereof in the preparation of hydrophilic membranes (vi)
US9394407B2 (en) 2014-06-30 2016-07-19 Pall Corporation Hydrophilic block copolymers and membranes prepared therefrom (I)
US9254466B2 (en) 2014-06-30 2016-02-09 Pall Corporation Crosslinked cellulosic membranes
US9309367B2 (en) 2014-06-30 2016-04-12 Pall Corporation Membranes comprising cellulosic material and hydrophilic block copolymer (V)
WO2016023765A1 (fr) * 2014-08-12 2016-02-18 Basf Se Procédé de fabrication de membranes
US10421046B2 (en) * 2015-05-01 2019-09-24 Sabic Global Technologies B.V. Method for making porous asymmetric membranes and associated membranes and separation modules
CN104906972A (zh) * 2015-05-20 2015-09-16 苏州市贝克生物科技有限公司 一种纳米二氧化钛/聚醚血液透析膜及其制备方法
US9815031B2 (en) 2016-03-29 2017-11-14 Sabic Global Technologies B.V. Porous membranes and associated separation modules and methods
US10307717B2 (en) * 2016-03-29 2019-06-04 Sabic Global Technologies B.V. Porous membranes and associated separation modules and methods
JP6797347B2 (ja) * 2016-05-30 2020-12-09 Dic株式会社 ポリマー複合体
CN107413205B (zh) * 2017-09-09 2020-07-14 威海威高血液净化制品有限公司 透析废液净化用中空纤维膜及其加工方法
CN114502259A (zh) * 2019-10-11 2022-05-13 旭化成株式会社 原料液浓缩系统和浓缩装置
CN112473375B (zh) * 2020-10-28 2022-06-17 浙江工业大学 一种金属-多酚凝胶修饰超亲水性微滤膜的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997013575A1 (fr) * 1995-10-09 1997-04-17 Asahi Kasei Kogyo Kabushiki Kaisha Membrane en polysulfone pour purifier le sang
JP2004236788A (ja) * 2003-02-05 2004-08-26 Asahi Kasei Corp 白血球除去血球浮遊液の製造方法、及び白血球除去フィルター装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59202261A (ja) * 1983-04-30 1984-11-16 Nippon Oil & Fats Co Ltd 高分子材料の表面改質法
JPS61161103A (ja) * 1985-01-10 1986-07-21 Terumo Corp 親水性多孔質膜およびその製法
JPH01284303A (ja) * 1988-05-10 1989-11-15 Asahi Chem Ind Co Ltd 表面親水化高選択性透過膜とその製造方法
JPH044028A (ja) * 1989-07-13 1992-01-08 Mitsubishi Rayon Co Ltd 多孔質膜及びその製法
US5057218A (en) * 1989-07-13 1991-10-15 Mitsubishi Rayon Co., Ltd. Porous membrane and production process thereof
JP2882658B2 (ja) * 1990-03-05 1999-04-12 株式会社クラレ ポリスルホン系半透膜の製造方法
JP3297707B2 (ja) * 1993-02-01 2002-07-02 旭メディカル株式会社 改質中空糸およびその製造方法
US5700902A (en) * 1995-07-27 1997-12-23 Circe Biomedical, Inc. Block copolymers
GB9808689D0 (en) * 1998-04-23 1998-06-24 Kalsep Ltd Improved membrane
US20030148017A1 (en) * 2001-12-07 2003-08-07 Olli Tuominen Copolymer coating for a hydrophobic membrane
JP2005193201A (ja) * 2004-01-09 2005-07-21 Kuraray Co Ltd 親水性中空糸膜およびその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997013575A1 (fr) * 1995-10-09 1997-04-17 Asahi Kasei Kogyo Kabushiki Kaisha Membrane en polysulfone pour purifier le sang
JP2004236788A (ja) * 2003-02-05 2004-08-26 Asahi Kasei Corp 白血球除去血球浮遊液の製造方法、及び白血球除去フィルター装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JPN6012036179; Polymer Vol.36,No.16, 1995, pp.3085-3091 *

Also Published As

Publication number Publication date
US8602221B2 (en) 2013-12-10
EP1918019B1 (fr) 2012-03-14
EP1918019A4 (fr) 2008-08-20
JPWO2007018284A1 (ja) 2009-02-19
US20090127186A1 (en) 2009-05-21
EP1918019A1 (fr) 2008-05-07
WO2007018284A1 (fr) 2007-02-15

Similar Documents

Publication Publication Date Title
JP5420836B2 (ja) 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜
KR102144703B1 (ko) 중공사막 모듈, 중공사막의 제조 방법 및 중공사막 모듈의 제조 방법
CN100457242C (zh) 改良的除去中分子的透析膜
JP6014881B2 (ja) 高空隙容積を有する荷電多孔質ポリマー膜
US10994248B2 (en) Hollow fiber membrane module and manufacturing method thereof
US9776143B2 (en) Low cut-off ultrafiltration membranes
JP5338431B2 (ja) ポリスルホン系分離膜およびポリスルホン系分離膜モジュールの製造方法
US20040247682A1 (en) Hydrophilic material and process for producing the same
TW200932813A (en) Cellulose porous membrane
KR20210011372A (ko) 다공질 중공사막
KR20160065047A (ko) 다공질막, 다공질막을 내장하는 혈액 정화용 모듈 및 다공질막의 제조 방법
JP5633277B2 (ja) 分離膜モジュール
CN113646067B (zh) 多孔膜
JP2011092931A (ja) 中空糸膜モジュールおよび中空糸膜モジュールの製造方法
CN114845798B (zh) 多孔质分离膜
JP6558063B2 (ja) 中空糸膜モジュールおよびその製造方法
JP6547518B2 (ja) 中空糸膜モジュール及びその製造方法
JP2022538578A (ja) Nmp系膜中の反応性添加剤
WO2024128243A1 (fr) Membrane poreuse et procédé de purification
JP2017149966A (ja) 堅牢なポリマー膜
JP2008188571A (ja) 親水化された芳香族エーテル系高分子膜の製造方法
CN114749035A (zh) 低压大通量中空纤维纳滤膜、其制备方法及其应用
JPH08141377A (ja) 多孔質分離膜
MXPA97006645A (en) Best membrane

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090728

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120711

A521 Request for written amendment filed

Effective date: 20120907

Free format text: JAPANESE INTERMEDIATE CODE: A523

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121126

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130827

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131010

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20131105

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20131121

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

LAPS Cancellation because of no payment of annual fees